TY  - RPRT
TI  - Global oil assessments and the search for non-OPEC oil
AU  - C.D. Masters
PY  - 1987
DO  - 10.1111/j.1468-0076.1987.tb00047.x
UR  - https://pubs.usgs.gov/publication/70015135
ID  - 70015135
ER  -